phpBB : Critical Error

Error creating new session

DEBUG MODE

INSERT INTO phpbb_stu_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('dc3d0498aa81f713cab1bf8b84aa7bf7', -1, 1611465785, 1611465785, '12d7b961', 6, 0, 0)

Line : 251
File : sessions.php